kern_ipc_10.c revision 1.11
1 /* $NetBSD: kern_ipc_10.c,v 1.11 2000/06/28 15:39:25 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Adam Glass and Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Adam Glass and Charles M. 17 * Hannum. 18 * 4. The names of the authors may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "opt_sysv.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/proc.h> 39 #include <sys/sem.h> 40 #include <sys/malloc.h> 41 42 #include <sys/mount.h> 43 #include <sys/syscallargs.h> 44 45 #include <compat/common/compat_util.h> 46 47 #ifdef SYSVSEM 48 int 49 compat_10_sys_semsys(p, v, retval) 50 struct proc *p; 51 void *v; 52 register_t *retval; 53 { 54 struct compat_10_sys_semsys_args /* { 55 syscallarg(int) which; 56 syscallarg(int) a2; 57 syscallarg(int) a3; 58 syscallarg(int) a4; 59 syscallarg(int) a5; 60 } */ *uap = v; 61 struct compat_14_sys___semctl_args /* { 62 syscallarg(int) semid; 63 syscallarg(int) semnum; 64 syscallarg(int) cmd; 65 syscallarg(union __semun *) arg; 66 } */ __semctl_args; 67 struct sys_semget_args /* { 68 syscallarg(key_t) key; 69 syscallarg(int) nsems; 70 syscallarg(int) semflg; 71 } */ semget_args; 72 struct sys_semop_args /* { 73 syscallarg(int) semid; 74 syscallarg(struct sembuf *) sops; 75 syscallarg(u_int) nsops; 76 } */ semop_args; 77 struct sys_semconfig_args /* { 78 syscallarg(int) flag; 79 } */ semconfig_args; 80 caddr_t sg = stackgap_init(p->p_emul); 81 82 switch (SCARG(uap, which)) { 83 case 0: /* __semctl() */ 84 SCARG(&__semctl_args, semid) = SCARG(uap, a2); 85 SCARG(&__semctl_args, semnum) = SCARG(uap, a3); 86 SCARG(&__semctl_args, cmd) = SCARG(uap, a4); 87 SCARG(&__semctl_args, arg) = stackgap_alloc(&sg, 88 sizeof(union semun *)); 89 copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg), 90 sizeof(union __semun)); 91 return (compat_14_sys___semctl(p, &__semctl_args, retval)); 92 93 case 1: /* semget() */ 94 SCARG(&semget_args, key) = SCARG(uap, a2); 95 SCARG(&semget_args, nsems) = SCARG(uap, a3); 96 SCARG(&semget_args, semflg) = SCARG(uap, a4); 97 return (sys_semget(p, &semget_args, retval)); 98 99 case 2: /* semop() */ 100 SCARG(&semop_args, semid) = SCARG(uap, a2); 101 SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3); 102 SCARG(&semop_args, nsops) = SCARG(uap, a4); 103 return (sys_semop(p, &semop_args, retval)); 104 105 case 3: /* semconfig() */ 106 SCARG(&semconfig_args, flag) = SCARG(uap, a2); 107 return (sys_semconfig(p, &semconfig_args, retval)); 108 109 default: 110 return (EINVAL); 111 } 112 } 113 #endif 114 115 #ifdef SYSVSHM 116 int 117 compat_10_sys_shmsys(p, v, retval) 118 struct proc *p; 119 void *v; 120 register_t *retval; 121 { 122 struct compat_10_sys_shmsys_args /* { 123 syscallarg(int) which; 124 syscallarg(int) a2; 125 syscallarg(int) a3; 126 syscallarg(int) a4; 127 } */ *uap = v; 128 struct sys_shmat_args /* { 129 syscallarg(int) shmid; 130 syscallarg(void *) shmaddr; 131 syscallarg(int) shmflg; 132 } */ shmat_args; 133 struct compat_14_sys_shmctl_args /* { 134 syscallarg(int) shmid; 135 syscallarg(int) cmd; 136 syscallarg(struct shmid14_ds *) buf; 137 } */ shmctl_args; 138 struct sys_shmdt_args /* { 139 syscallarg(void *) shmaddr; 140 } */ shmdt_args; 141 struct sys_shmget_args /* { 142 syscallarg(key_t) key; 143 syscallarg(int) size; 144 syscallarg(int) shmflg; 145 } */ shmget_args; 146 147 switch (SCARG(uap, which)) { 148 case 0: /* shmat() */ 149 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 150 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 151 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 152 return (sys_shmat(p, &shmat_args, retval)); 153 154 case 1: /* shmctl() */ 155 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 156 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 157 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 158 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 159 160 case 2: /* shmdt() */ 161 SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2); 162 return (sys_shmdt(p, &shmdt_args, retval)); 163 164 case 3: /* shmget() */ 165 SCARG(&shmget_args, key) = SCARG(uap, a2); 166 SCARG(&shmget_args, size) = SCARG(uap, a3); 167 SCARG(&shmget_args, shmflg) = SCARG(uap, a4); 168 return (sys_shmget(p, &shmget_args, retval)); 169 170 default: 171 return (EINVAL); 172 } 173 } 174 #endif 175 176 #ifdef SYSVMSG 177 int 178 compat_10_sys_msgsys(p, v, retval) 179 struct proc *p; 180 void *v; 181 register_t *retval; 182 { 183 struct compat_10_sys_msgsys_args /* { 184 syscallarg(int) which; 185 syscallarg(int) a2; 186 syscallarg(int) a3; 187 syscallarg(int) a4; 188 syscallarg(int) a5; 189 syscallarg(int) a6; 190 } */ *uap = v; 191 struct compat_14_sys_msgctl_args /* { 192 syscallarg(int) msqid; 193 syscallarg(int) cmd; 194 syscallarg(struct msqid14_ds *) buf; 195 } */ msgctl_args; 196 struct sys_msgget_args /* { 197 syscallarg(key_t) key; 198 syscallarg(int) msgflg; 199 } */ msgget_args; 200 struct sys_msgsnd_args /* { 201 syscallarg(int) msqid; 202 syscallarg(void *) msgp; 203 syscallarg(size_t) msgsz; 204 syscallarg(int) msgflg; 205 } */ msgsnd_args; 206 struct sys_msgrcv_args /* { 207 syscallarg(int) msqid; 208 syscallarg(void *) msgp; 209 syscallarg(size_t) msgsz; 210 syscallarg(long) msgtyp; 211 syscallarg(int) msgflg; 212 } */ msgrcv_args; 213 214 switch (SCARG(uap, which)) { 215 case 0: /* msgctl()*/ 216 SCARG(&msgctl_args, msqid) = SCARG(uap, a2); 217 SCARG(&msgctl_args, cmd) = SCARG(uap, a3); 218 SCARG(&msgctl_args, buf) = 219 (struct msqid_ds14 *)SCARG(uap, a4); 220 return (compat_14_sys_msgctl(p, &msgctl_args, retval)); 221 222 case 1: /* msgget() */ 223 SCARG(&msgget_args, key) = SCARG(uap, a2); 224 SCARG(&msgget_args, msgflg) = SCARG(uap, a3); 225 return (sys_msgget(p, &msgget_args, retval)); 226 227 case 2: /* msgsnd() */ 228 SCARG(&msgsnd_args, msqid) = SCARG(uap, a2); 229 SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3); 230 SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4); 231 SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5); 232 return (sys_msgsnd(p, &msgsnd_args, retval)); 233 234 case 3: /* msgrcv() */ 235 SCARG(&msgrcv_args, msqid) = SCARG(uap, a2); 236 SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3); 237 SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4); 238 SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5); 239 SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6); 240 return (sys_msgrcv(p, &msgrcv_args, retval)); 241 242 default: 243 return (EINVAL); 244 } 245 } 246 #endif 247
Indexes created Tue Sep 30 20:09:53 GMT 2025